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Basalt Quarry, Ambariomiambana, Ambohimalaza Commune, Sambava District, Sava, Madagascari
Regional Level Types
Basalt QuarryQuarry
AmbariomiambanaVillage
Ambohimalaza CommuneCommune
Sambava DistrictDistrict
SavaRegion
MadagascarCountry

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Latitude & Longitude (WGS84):
14° 16' 34'' South , 50° 3' 56'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Ambodivoara10,000 (2018)10.9km
Sambava31,522 (2018)10.9km
Name(s) in local language(s):
Karriera, Ambariomiambana, Kaominin' Ambohimalaza, Distrikan' i Sambava, Faritra Sava, Faritany Antsiranana, Madagasikara


A quarry besides the road 8km from Sambava at direction to Andapa, in which gemmy twinned calcite is found. Located about 2,5 km west of the Ambariomiambana village

Photo of the quarry can be seen at http://www.mineralshows.com/ms2004/day3.shtml

Regions containing this locality

Somali Plate (Somalia Plate)Tectonic Plate
Antsiranana Province, MadagascarProvince (Abolished)

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

'Apophyllite'
Reference: De Ascenção Guedes, R., Chiappero, J. & Bayle, L.-D. (2012): Sainte-Marie-aux-Mines 2012. Le Règne Minéral. 106, 37-53 [p.44]
Calcite
Formula: CaCO3
Reference: Praszkier, T. (2010): Calcite and Zeolites from Sambava,Madagascar. Mineralogical Record 41, 239-252.
'Chlorite Group'
Reference: Praszkier, T. (2010): Calcite and Zeolites from Sambava,Madagascar. Mineralogical Record 41, 239-252.
Fluorapophyllite-(K)
Formula: KCa4(Si8O20)(F,OH) · 8H2O
Reference: Praszkier, T. (2010): Calcite and Zeolites from Sambava,Madagascar. Mineralogical Record 41, 239-252.
Heulandite-Ca
Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O
Reference: Praszkier, T. (2010): Calcite and Zeolites from Sambava,Madagascar. Mineralogical Record 41, 239-252
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Praszkier, T. (2010): Calcite and Zeolites from Sambava,Madagascar. Mineralogical Record 41, 239-252
Mordenite
Formula: (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Reference: Praszkier, T. (2010): Calcite and Zeolites from Sambava,Madagascar. Mineralogical Record 41, 239-252.
Quartz
Formula: SiO2
Reference: Praszkier, T. (2010): Calcite and Zeolites from Sambava,Madagascar. Mineralogical Record 41, 239-252.
Stilbite-Ca
Formula: NaCa4[Al9Si27O72] · nH2O
Reference: Praszkier, T. (2010): Calcite and Zeolites from Sambava,Madagascar. Mineralogical Record 41, 239-252

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Fluorapophyllite-(K)9.EA.15KCa4(Si8O20)(F,OH) · 8H2O
Heulandite-Ca9.GE.05(Ca,Na)5(Si27Al9)O72 · 26H2O
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Mordenite9.GD.35(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Stilbite-Ca9.GE.10NaCa4[Al9Si27O72] · nH2O
Unclassified Minerals, Rocks, etc.
'Apophyllite'-
'Chlorite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
Fluorapophyllite-(K)72.3.1.1KCa4(Si8O20)(F,OH) · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Heulandite-Ca77.1.4.1(Ca,Na)5(Si27Al9)O72 · 26H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Mordenite77.1.6.1(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Stilbite-Ca77.1.4.3NaCa4[Al9Si27O72] · nH2O
Unclassified Minerals, Mixtures, etc.
'Apophyllite'-
'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
H LaumontiteCaAl2Si4O12 · 4H2O
H Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
H Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
H Stilbite-CaNaCa4[Al9Si27O72] · nH2O
H Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O LaumontiteCaAl2Si4O12 · 4H2O
O QuartzSiO2
O Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
O Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
O Stilbite-CaNaCa4[Al9Si27O72] · nH2O
O Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
FFluorine
F Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
NaSodium
Na Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Na Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Na Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
AlAluminium
Al LaumontiteCaAl2Si4O12 · 4H2O
Al Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Al Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Al Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
SiSilicon
Si LaumontiteCaAl2Si4O12 · 4H2O
Si QuartzSiO2
Si Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Si Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Si Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Si Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
KPotassium
K Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
K Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
CaCalcium
Ca CalciteCaCO3
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Ca Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
Ca Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Ca Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Late Cretaceous
66 - 100.5 Ma



ID: 3309160

Age: Late Cretaceous (66 - 100.5 Ma)

Lithology: Volcanic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Mesoarchean - Paleoarchean
2800 - 3600 Ma



ID: 3189670
Archean sedimentary rocks

Age: Archean (2800 - 3600 Ma)

Lithology: Migmatite; orthogneiss/paragneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Praszkier, T. (2010): Calcite and Zeolites from Sambava,Madagascar. Mineralogical Record 41, 239-252.


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